NEC
Solutions
(America),
Inc.
Visual Systems
GT950 Installation Guide
Desktop and Ceiling Mounted
v4.0
www.necvisualsystems.com
Page 3 of 9
Desktop Setup
The following diagram shows the relationship between projector position and the screen. Refer to the chart below for data.
Distances are in inches. For millimeters multiply by 25.4.
Throw Distance
Screen Ctr
3.5"
Distance Chart
Diagonal
Width(H)
Height (V)
inches
inches
inches
25
20
15
NA - 45.3
40
32
24
61.5 - 73.8
NA - 160.1
60
48
36
93.2 - 111.9
162.1 - 243.1
67
53.6
40.2
104.4 - 125.2
181.4 - 272.2
72
57.6
43.2
112.3 - 134.7
195.3 - 292.9
84
67.2
50.4
131.3 - 157.6
228.5 - 342.7
90
72
54
140.8 - 169.0
245.1 - 367.6
100
80
60
156.7 - 188.1
272.8 - 409.2
120
96
72
188.4 - 226.1
328.1 - 492.2
150
120
90
236.0 - 283.3
411.2 - 616.7
180
144
108
283.6 - 340.4
494.2 - 741.3
210
168
126
331.2 - 397.5
577.2 - NA
240
192
144
378.8 - 454.6
660.2 - NA
270
216
162
426.4 - NA
743.3 - NA
300
240
180
474.0 - NA
826.3 - NA
Screen Size
(4:3)
Throw Distance
3.4 - 5.1:1
Std Lens
2.0 - 2.4:1
inches
NA
GT35-9ZL(option lens)
inches
Note:
For screen sizes not indicated on the chart, use the formulas on page 1.
Note:
Optional GT35-9ZL lens is not user changeable and must be installed by an authorized service center.
Warning:
To avoid premature lamp failure, do not tilt the front of the GT950 up or down by more than 10
°
from level.
